182     const char* cur = buffer;  in read()  local
185         cur = parseField(cur, buffer_end, &last);  in read()
186         if (cur == nullptr) {  in read()
191     return cur;  in read()
230     const char* cur = buffer + sizeof(uint8_t);  in parseField()  local
235             return cur;  in parseField()
237         if (cur + ofs > buffer_end) {  in parseField()
241         name.append(cur, ofs);  in parseField()
243         return cur + ofs;  in parseField()
253     const char* cur = qname.read(buffer, buffer_end);  in read()  local
254     if (cur == nullptr) {  in read()
258     if (cur + 2 * sizeof(uint16_t) > buffer_end) {  in read()
262     qtype = ntohs(*reinterpret_cast<const uint16_t*>(cur));  in read()
263     qclass = ntohs(*reinterpret_cast<const uint16_t*>(cur + sizeof(uint16_t)));  in read()
264     return cur + 2 * sizeof(uint16_t);  in read()
287     const char* cur = name.read(buffer, buffer_end);  in read()  local
288     if (cur == nullptr) {  in read()
293     cur = readIntFields(cur, buffer_end, &rdlen);  in read()
294     if (cur == nullptr) {  in read()
298     if (cur + rdlen > buffer_end) {  in read()
302     rdata.assign(cur, cur + rdlen);  in read()
303     return cur + rdlen;  in read()
356     const char* cur = readHeader(buffer, buffer_end, &qdcount, &ancount, &nscount, &arcount);  in read()  local
357     if (cur == nullptr) {  in read()
364             cur = questions[i].read(cur, buffer_end);  in read()
365             if (cur == nullptr) {  in read()
374             cur = answers[i].read(cur, buffer_end);  in read()
375             if (cur == nullptr) {  in read()
384             cur = authorities[i].read(cur, buffer_end);  in read()
385             if (cur == nullptr) {  in read()
394             cur = additionals[i].read(cur, buffer_end);  in read()
395             if (cur == nullptr) {  in read()
401     return cur;  in read()
738     const char* cur = header.read(buffer, buffer_end);  in handleDNSRequest()  local
740     if (cur == nullptr) {  in handleDNSRequest()
1190         const char* cur = header.read(response, response_end);  in handleQuery()  local
1191         if (cur == nullptr) LOG(WARNING) << "response is flawed";  in handleQuery()